MESON Chess Problem Database

Problem Display
PID: 119856 (3K4/8/1p6/8/1rn3R1/7p/4N3/Q4bBk w - - 0 1)

Budde, Otto C

Deutsche Schachzeitung, 1886

3K4/8/1p6/8/1rn3R1/7p/4N3/Q4bBk

#2

5 + 6

15 British Chess Magazine 1911
881 The Australasian Chess Review 1929
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Sg3#
  • Tries
    • 1.Sg3+?
      • 1...Kg2
        • 2.Qxf1#
      • 1...Kxg1!
    • 1.Qe5?
      • threat
        • 2.Qh2#
      • 1...h2
        • 2.Qxh2#
      • 1...Sxe5!
    • 1.Qxf1?
      • threat
        • 2.Sg3#
        • 2.Qxh3#
        • 2.Qf3#
      • 1...Sd2
        • 2.Sg3#
        • 2.Qxh3#
      • 1...Se3
        • 2.Sg3#
        • 2.Qxh3#
      • 1...Se5
        • 2.Sg3#
        • 2.Qxh3#
      • 1...h2
        • 2.Sg3#
        • 2.Bf2#
        • 2.Be3#
        • 2.Bd4#
        • 2.Bc5#
        • 2.Bxb6#
        • 2.Qg2#
        • 2.Qf3#
      • 1...Rb3!
  • Keys
    • 1.Rg2!
      • threat
        • 2.Rh2#
      • 1...Kxg2
        • 2.Qa8#
      • 1...Bxg2
        • 2.Sg3#
      • 1...hxg2
        • 2.Qh8#
      • 1...h2
        • 2.Rxh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A),XB(a)
      • Refutation
        • K(b);P-FLIGHT,P_SPINB(a),XB(B)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);::QAR1(A),XP(c)
      • Refutation
        • S(e);XQ(A)
    • Try
      • Q(A);XB(a)
      • Threat
        • DUALS(3)
      • Refutation
        • R(d);
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • B(a);SBLOCK,XR(D)::S(C)
      • P(c);OGATEB,SBLOCK,XR(D)::QAB(A)
      • P(c);::R1(D),XP(c)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).